<template>
  <div class="box">
    <el-card>
      <template #header>
        <h3>菜品列表</h3>
      </template>
      <!-- 搜索区域 -->
      <el-form inline :model="foodSearchData">
        <el-form-item label="菜品名称">
          <el-input v-model="foodSearchData.foodName"></el-input>
        </el-form-item>
        <el-form-item label="菜品分类">
          <el-select v-model="foodSearchData.categoryId" style="width: 160px">
            <el-option
              v-for="item in foodCategoryArr"
              :label="item.categoryName"
              :value="item.categoryId"
              :key="item.categoryId"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="loadFoodList">搜索</el-button>
          <el-button type="success" @click="add">添加菜品</el-button>
        </el-form-item>
      </el-form>
      <!-- 数据区域 -->
      <el-table :data="tableData" border>
        <el-table-column type="expand">
          <template #default="props">
            <el-descriptions :column="2" border>
              <el-descriptions-item>
                <template #label>
                  <div class="cell-item">菜品名称</div>
                </template>
                {{ props.row.foodName }}
              </el-descriptions-item>
              <el-descriptions-item>
                <template #label>
                  <div class="cell-item">菜品分类</div>
                </template>
                {{ props.row.categoryName }}
              </el-descriptions-item>
              <el-descriptions-item>
                <template #label>
                  <div class="cell-item">菜品介绍</div>
                </template>
                {{ props.row.foodExplain }}
              </el-descriptions-item>
              <el-descriptions-item>
                <template #label>
                  <div class="cell-item">菜品图片</div>
                </template>
                <img :src="props.row.foodImg" alt="" width="150" />
              </el-descriptions-item>
              <el-descriptions-item>
                <template #label>
                  <div class="cell-item">菜品价格</div>
                </template>
                {{ props.row.foodPrice }}
              </el-descriptions-item>
              <el-descriptions-item>
                <template #label>
                  <div class="cell-item">库存</div>
                </template>
                {{ props.row.stock }}
              </el-descriptions-item>
              <el-descriptions-item>
                <template #label>
                  <div class="cell-item">状态</div>
                </template>
                <el-tag v-if="props.row.status == 0" type="success">
                  在售
                </el-tag>
                <el-tag v-else-if="props.row.status == 1" type="danger">
                  售罄
                </el-tag>
                <el-tag v-else-if="props.row.status == 2" type="info">
                  下架
                </el-tag>
              </el-descriptions-item>
            </el-descriptions>
          </template>
        </el-table-column>
        <el-table-column prop="foodName" label="菜品名称"></el-table-column>
        <el-table-column prop="foodExplain" label="菜品介绍"></el-table-column>
        <el-table-column prop="foodPrice" label="菜品价格"></el-table-column>
        <el-table-column prop="stock" label="菜品库存">
          <template #default="scope">
            <el-tooltip v-if="scope.row.stock > 10" content="库存充足" effect="light" placement="top">
              <el-tag  type="success">{{ scope.row.stock }}</el-tag>
            </el-tooltip>
             <el-tooltip v-else-if="scope.row.status <= 10"  content="库存不足" effect="dark" placement="top">
              <el-tag  type="danger">{{ scope.row.stock }}</el-tag>
            </el-tooltip>
          </template>
        </el-table-column>
        <el-table-column prop="status" label="菜品状态">
          <template #default="scope">
            <el-tag v-if="scope.row.status == 0" type="success">在售</el-tag>
            <el-tag v-else-if="scope.row.status == 1" type="danger">
              售罄
            </el-tag>
            <el-tag v-else-if="scope.row.status == 2" type="info">
              下架
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="categoryName" label="菜品分类"></el-table-column>
        <el-table-column label="操作">
          <template #default="scope">
            <el-button
              type="primary"
              @click="handleEdit(scope.row)"
              size="small"
            >
              修改
            </el-button>
            <el-button
              type="danger"
              @click="handleDelete(scope.row)"
              size="small"
            >
              删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <template #footer>
        <el-pagination
          v-model:current-page="currentPage"
          v-model:page-size="pageSize"
          :page-sizes="[2, 3, 5, 10]"
          layout="total, sizes,  prev, pager, next"
          :total="total"
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
        />
      </template>
    </el-card>
    <!-- 弹窗 -->
    <el-dialog v-model="dialogFormVisible" :title="title" width="500">
      <el-form :model="foodForm" label-width="80px">
        <el-form-item label="菜品名称">
          <el-input v-model="foodForm.foodName" placeholder="菜品名称" />
        </el-form-item>
        <el-form-item label="菜品图片">
          <el-upload
            class="avatar-uploader"
            action="http://127.0.0.1:8080/ele/upload"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
          >
            <img
              v-if="foodForm.foodImg"
              :src="foodForm.foodImg"
              class="avatar"
            />
            <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
          </el-upload>
        </el-form-item>
        <el-form-item label="菜品价格">
          <el-input v-model="foodForm.foodPrice" placeholder="菜品价格" />
        </el-form-item>
        <el-form-item label="库存">
          <el-input v-model="foodForm.stock" placeholder="库存" />
        </el-form-item>
        <el-form-item v-if="title=='修改菜品'" label="状态">
          <el-select v-model="foodForm.status">
            <el-option label="上架" :value="0" />
            <el-option label="下架" :value="2" />
          </el-select>
        </el-form-item>
        <el-form-item label="备注">
          <el-input
            type="textarea"
            v-model="foodForm.remarks"
            placeholder="备注"
          />
        </el-form-item>
        <el-form-item label="菜品介绍">
          <el-input
            type="textarea"
            v-model="foodForm.foodExplain"
            placeholder="菜品介绍"
          />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="dialogFormVisible = false">取消</el-button>
          <el-button type="primary" @click="submitData"> 提交 </el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { ElNotification } from "element-plus";
import * as foodAPI from "@/api/food.js";
export default {
  data() {
    return {
      // 弹框参数
      dialogFormVisible: false,
      title: "添加菜品",
      foodForm: {},
      // 搜索参数
      foodSearchData: {},
      // 分页参数
      currentPage: 1,
      pageSize: 5,
      total: 0,
      // 菜品分类的数组
      foodCategoryArr: [],
      // 数据列表
      tableData: [],
      shopId: "",
    };
  },
  methods: {
    // 图片上传之后之后，触发的函数
    handleAvatarSuccess(res) {
      this.foodForm.foodImg = res;
    },
    handleSizeChange() {
      this.loadFoodList();
    },
    handleCurrentChange() {
      this.loadFoodList();
    },
    // 加载当前店铺的所有菜品分类
    loadFoodCategoryList() {
      // 拥有店铺的id，根据店铺id查询当前店铺下的所有的菜品的分类数据
      foodAPI.findAllFoodCategoryAPI({ shopId: this.shopId }).then((resp) => {
        this.foodCategoryArr = resp.data;
      });
    },
    // 加载菜品数据
    loadFoodList() {
      foodAPI
        .findFoodListAPI({
          currentPage: this.currentPage,
          pageSize: this.pageSize,
          foodName: this.foodSearchData.foodName,
          categoryId: this.foodSearchData.categoryId,
          shopId: this.shopId,
          op: "find",
        })
        .then((resp) => {
          this.total = resp.data.total;
          this.tableData = resp.data.datas;
        });
    },
    // 点击页面上的删除按钮
    handleDelete(row) {
      foodAPI
        .deleteFoodAPI({ foodId: row.foodId, op: "delete" })
        .then((resp) => {
          if (resp.data == 1) {
            this.loadFoodList();
          }
        });
    },
    // 点击添加菜品按钮
    add() {
      this.dialogFormVisible = true;
      this.title = "添加菜品";
      this.foodForm = {};
    },
    // 点击修改菜品按钮
    handleEdit(row) {
      this.dialogFormVisible = true;
      this.title = "修改菜品";
      this.foodForm = row;
    },
    // 点击弹窗中的提交按钮
    submitData() {
      // 判断是添加还是修改
      if (this.title == "添加菜品") {
        let categoryId = this.$route.query.categoryId;
        foodAPI
          .addFoodAPI({
            ...this.foodForm,
            shopId: this.shopId,
            categoryId,
            op: "add",
          })
          .then((resp) => {
            if (resp.data == 1) {
              this.dialogFormVisible = false;
              this.loadFoodList();
            }
          });
      } else {
        foodAPI
          .updateFoodAPI({ ...this.foodForm, op: "update" })
          .then((resp) => {
            if (resp.data == 1) {
              this.dialogFormVisible = false;
              this.loadFoodList();
            }
          });
      }
    },
  },
  created() {
    // 需要查询的是某个店铺下的菜品分类，需要传递当前的店铺的id
    let shopId = this.$route.query.shopId;
    // 没有携带店铺的id，不能直接去查询数据
    if (!shopId) {
      ElNotification.error("请先选择一个店铺");
      this.$router.push("/shopList");
      return;
    }
    this.shopId = shopId;
    // 加载页面菜品分类的下拉框数据
    this.loadFoodCategoryList();
    // 加载表格的菜品数据
    this.loadFoodList();
  },
};
</script>

<style scoped>


.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>
